abandoned
abstract
aged
ancient
b copper
backdrop
background
blank
brown
corrode
corrosion
damaged
decay
demolished
design
detail
deterioration
dirty
distressed
grunge
grungy
industrial
industry
iron
layer
material
metal
metal background
metallic
oxidation
oxide
oxidize
oxidized
painted
pattern
protection
retro
rust
rustic
scratch
shabby
shattered
stain
surface
texture
vintage
wall
wallpaper
weathered
worn